Spray nozzle for cleaning the interior of tanks



FIG. 1 is a top perspective view of the spray nozzle for cleaning the interior of tanks;

FIG. 2 is a underneath perspective view of the spray nozzle for cleaning the interior of tanks;

FIG. 3 is a plan view of the spray nozzle for cleaning the interior of tanks;

FIG. 4 is a side elevation view in the direction of arrow 4 of FIG. 3;

FIG. 5 is an underneath plan view of the spray nozzle for cleaning the interior of tanks;

FIG. 6 is a side elevation view in the direction of arrow 6 of FIG. 3;

FIG. 7 is a side elevation view in the direction of arrow 7 of FIG. 3;

FIG. 8 is a section along line 8--8 of FIG. 7 looking in the direction of the arrows; and,

FIG. 9 is a section along line 9--9 of FIG. 4 looking in the direction of the arrows. 

The ornamental design for a spray nozzle for cleaning the interior of tanks, as shown and described. 